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    GeForce MX450 vs Radeon HD 6990M Crossfire

    When comparing GeForce MX450 and Radeon HD 6990M Crossfire, we look primarily at benchmarks and game tests. But it is not only about the numbers. Often you can find third-party models with higher clock speeds, better cooling, or a customizable RGB lighting. Not all of them will have all the features you need. Another thing to consider is the port selection. Most graphics cards have at least one DisplayPort and HDMI interface, but some monitors require DVI. Before you buy, check the TDP of the graphics card - this characteristic will help you estimate the consumption of the graphics card. You may even have to upgrade your PSU to meet its requirements. An important factor when choosing between GeForce MX450 and Radeon HD 6990M Crossfire is the price. Does the additional cost justify the performance hit? Our comparison should help you make the right decision.
    GeForce MX450 Check Price
    Radeon HD 6990M Crossfire Check Price

    GeForce MX450 and Radeon HD 6990M Crossfire are Laptop Graphics Cards

    Note: GeForce MX450 and Radeon HD 6990M Crossfire are only used in laptop graphics. They have lower GPU clock speed compared to the desktop variant, which results in lower power consumption, but also 10-30% lower gaming performance. Check available laptop models with GeForce MX450 or Radeon HD 6990M Crossfire here:

    GeForce MX450 Laptops
    Radeon HD 6990M Crossfire Laptops

    Main Specs

      GeForce MX450 Radeon HD 6990M Crossfire
    Power consumption (TDP) 50 Watt
    Interface PCIe 4.0 x4
    Supplementary power connectors None
    Memory type GDDR5,GDDR6 GDDR5
    Maximum RAM amount 2 GB 2x2 GB
    Display Connectors No outputs
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    • GeForce MX450 and Radeon HD 6990M Crossfire have maximum RAM of 2 GB.
    • Both cards are used in Laptops.
    • GeForce MX450 is build with Turing architecture, and Radeon HD 6990M Crossfire - with Terascale 2.
    • Core clock speed of GeForce MX450 is 680 MHz higher, than Radeon HD 6990M Crossfire.
    • GeForce MX450 is manufactured by 12 nm process technology, and Radeon HD 6990M Crossfire - by 40 nm process technology.
    • Memory clock speed of GeForce MX450 is 9102 MHz higher, than Radeon HD 6990M Crossfire.

    Game benchmarks

    high / 1080p 16−18 35−40
    ultra / 1080p 10−11 21−24
    QHD / 1440p 4−5 16−18
    4K / 2160p − 10−11
    low / 720p 35−40 60−65
    medium / 1080p 21−24 40−45
    The average gaming FPS of Radeon HD 6990M Crossfire in Assassin's Creed Odyssey is 100% more, than GeForce MX450.

    Full Specs

      GeForce MX450 Radeon HD 6990M Crossfire
    Architecture Turing Terascale 2
    Code name N17S-G5 / GP107-670-A1 Blackcomb XTX
    Type Laptop Laptop
    Release date 1 August 2020 12 July 2011
    Pipelines 896 2240
    Core clock speed 1395 MHz 715 MHz
    Boost Clock 1575 MHz
    Transistor count 4,700 million 2x1700 Million
    Manufacturing process technology 12 nm 40 nm
    Texture fill rate 100.8
    Memory bus width 64 Bit 256 Bit
    Memory clock speed 10002 MHz 900 MHz
    Memory bandwidth 64.03 GB/s
    Shared memory - -
    DirectX 12 (12_1) DirectX 11, Shader 5.0
    Shader Model 6.5
    OpenGL 4.6
    OpenCL 1.2
    Vulkan 1.2
    CUDA 7.5
    Laptop size large
    Optimus +
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